Research Article
A Direct Eigenanalysis of Multibody System in Equilibrium
Table 5
Eigenvalues with or without scaling.
| Frequency order | ABAQUS | Unscaled model | Scaled model | value | error | value | error |
| 1st | 0.0805i | i | — | 0.0808i | | 2nd | 0.4215i | i | — | 0.4236i | | 3rd | 1.1922i | i | — | 1.2134i | | 4th | 1.6457i | i | — | 1.6520i | | 5th | 2.2631i | i | — | 2.2633i | | 6th | 2.6006i | i | — | 2.5967i | | Condition number | | | |
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Note: error = (Algorithm−ABAQUS)/ABAQUS.
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